18.对…必不可少 be indispensableto …
19.正如谚语所说 As the proverb goes:
20.…也不例外 …be no exception
21.对…产生有利/不利的影响 exert positive/ negative effects on…
22.利远远大于弊 the advantages far outweigh the disadvantages.
23.导致，引起 lead to/ give rise to/ contribute to/ result in
24.复杂的社会现象 a complicated social phenomenon
25.责任感 / 成就感 sense of responsibility/ sense of achievement
26. 竞争与合作精神 sense of competition and cooperation
27. 开阔眼界 widen one’s horizon/ broaden one’s vision
28.学习知识和技能 acquire knowledge and skills
29.经济/心理负担 financial burden / psychologicalburden
30.考虑到诸多因素 take many factors into account/ consideration